body{
	font-family:"Microsoft YaHei","微软雅黑",SimSun,"宋体",Heiti,"黑体",sans-serif;
	background-color: #fff;
	background-image: url(bindex.gif);
	background-repeat: no-repeat;
	background-position: center 0px;
}


.backToTop{
	bottom: 0px!important;
	bottom: auto;
	position:fixed;
	_position:absolute;
	width:43px;
	height:43px;
	cursor: pointer;
	z-index:1990;
	bottom:0;
	display:none;
	background-image: url(gotop.png);
	background-repeat: no-repeat;
	background-position: 0 0;
}
.backToTop:hover{background-position: 0 -43px;
	-webkit-transition:background 0.2s ease 0s;
	-moz-transition:background 0.2s ease 0s;
	-o-transition:background 0.2s ease 0s;
	-ms-transition:background 0.2s ease 0s;
	transition:background 0.2s ease 0s;}
